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-rw-r--r--include/linux/init_task.h25
1 files changed, 18 insertions, 7 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 7fc01b13be43..21a6f5d9af22 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -94,15 +94,25 @@ extern struct group_info init_groups;
94# define CAP_INIT_BSET CAP_INIT_EFF_SET 94# define CAP_INIT_BSET CAP_INIT_EFF_SET
95#endif 95#endif
96 96
97#ifdef CONFIG_TREE_PREEMPT_RCU
98#define INIT_TASK_RCU_PREEMPT(tsk) \
99 .rcu_read_lock_nesting = 0, \
100 .rcu_read_unlock_special = 0, \
101 .rcu_blocked_node = NULL, \
102 .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry),
103#else
104#define INIT_TASK_RCU_PREEMPT(tsk)
105#endif
106
97extern struct cred init_cred; 107extern struct cred init_cred;
98 108
99#ifdef CONFIG_PERF_COUNTERS 109#ifdef CONFIG_PERF_EVENTS
100# define INIT_PERF_COUNTERS(tsk) \ 110# define INIT_PERF_EVENTS(tsk) \
101 .perf_counter_mutex = \ 111 .perf_event_mutex = \
102 __MUTEX_INITIALIZER(tsk.perf_counter_mutex), \ 112 __MUTEX_INITIALIZER(tsk.perf_event_mutex), \
103 .perf_counter_list = LIST_HEAD_INIT(tsk.perf_counter_list), 113 .perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
104#else 114#else
105# define INIT_PERF_COUNTERS(tsk) 115# define INIT_PERF_EVENTS(tsk)
106#endif 116#endif
107 117
108/* 118/*
@@ -168,11 +178,12 @@ extern struct cred init_cred;
168 }, \ 178 }, \
169 .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \ 179 .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
170 INIT_IDS \ 180 INIT_IDS \
171 INIT_PERF_COUNTERS(tsk) \ 181 INIT_PERF_EVENTS(tsk) \
172 INIT_TRACE_IRQFLAGS \ 182 INIT_TRACE_IRQFLAGS \
173 INIT_LOCKDEP \ 183 INIT_LOCKDEP \
174 INIT_FTRACE_GRAPH \ 184 INIT_FTRACE_GRAPH \
175 INIT_TRACE_RECURSION \ 185 INIT_TRACE_RECURSION \
186 INIT_TASK_RCU_PREEMPT(tsk) \
176} 187}
177 188
178 189